<script lang="ts" setup>
import { onMounted } from "vue";
//  按需引入 echarts
import * as echarts from "echarts";
onMounted(
  () => {
    init()
  }
)
function init() {
  // 基于准备好的dom，初始化echarts实例
  var myChart = echarts.init(document.getElementById('main'));
  // 指定图表的配置项和数据
  var option = {
  title: {
    text: 'Stacked Area Chart'
  },
  tooltip: {
    trigger: 'axis',
    axisPointer: {
      type: 'cross',
      label: {
        backgroundColor: '#6a7985'
      }
    }
  },
  legend: {
    data: ['Email', 'Union Ads', 'Video Ads', 'Direct', 'Search Engine']
  },
  toolbox: {
    feature: {
      saveAsImage: {}
    }
  },
  grid: {
    left: '3%',
    right: '4%',
    bottom: '3%',
    containLabel: true
  },
  xAxis: [
    {
      type: 'category',
      boundaryGap: false,
      data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
    }
  ],
  yAxis: [
    {
      type: 'value'
    }
  ],
  series: [
    {
      name: 'Email',
      type: 'line',
      stack: 'Total',
      areaStyle: {},
      emphasis: {
        focus: 'series'
      },
      data: [120, 132, 101, 134, 90, 230, 210]
    },
    {
      name: 'Union Ads',
      type: 'line',
      stack: 'Total',
      areaStyle: {},
      emphasis: {
        focus: 'series'
      },
      data: [220, 182, 191, 234, 290, 330, 310]
    },
    {
      name: 'Video Ads',
      type: 'line',
      stack: 'Total',
      areaStyle: {},
      emphasis: {
        focus: 'series'
      },
      data: [150, 232, 201, 154, 190, 330, 410]
    },
    {
      name: 'Direct',
      type: 'line',
      stack: 'Total',
      areaStyle: {},
      emphasis: {
        focus: 'series'
      },
      data: [320, 332, 301, 334, 390, 330, 320]
    },
    {
      name: 'Search Engine',
      type: 'line',
      stack: 'Total',
      label: {
        show: true,
        position: 'top'
      },
      areaStyle: {},
      emphasis: {
        focus: 'series'
      },
      data: [820, 932, 901, 934, 1290, 1330, 1320]
    }
  ]
};
  // 使用刚指定的配置项和数据显示图表。
  myChart.setOption(option);
}
</script>

<template>
  <el-card>
    <template #header>
      <div class="card-header">
        <span style="color: #409eff;">
          <el-icon><DataLine /></el-icon>
          最近一周统计
        </span>
        <el-button class="right" type="primary" icon="Refresh">刷新</el-button>
      </div>
    </template>
    <div id="main"></div>
  </el-card>
</template>

<style scoped lang="scss">
  #main {
    width: 100%;
    height: 300px;
  }
</style>
